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HOW IS IQ MEASURED?
Gaps between children's mental ages and their chronological age widens as children get older. In 1912, a German psychologist, William Stern, noticed that though the gap between mental ages and the chronological age widensm the ratio of mental age to chronolical age remains constant. This constant ratio of mental age divided by chronological age was given the name "Intelligence Quotient". Actually, the intelligence quotient is defined as 100 times the Mental Age (MA) divided by the Chronological Age (CA).IQ = 100 MA/CA.A normal intelligence quotient (IQ) ranges from 85 to 115. Only approximately 1% of the people in the world have an IQ of 135 or over. Half of the population have IQ’s of between 90 and 110, while 25% have higher IQ’s and 25% have lower IQ’s.Race and IQStudies had shown that females predominated among high-IQ blacks. One study of blacks whose IQs were 140 and up found that there were more than five times as many females as males at these levels. The black-white difference in IQ is 15 points, with the blacks exceeding the whites.Practicality of IQ1) An IQ of 50 or below. This is the threshold below which most adults cannot cope outside of an institution. They can typically be taught to read at a 3rd or 4th grade level. However, they cannot normally function in the customary classroom setting, and they require special training programs.2) An IQ between 50 and 75. At this level of intelligence, they generally cannot complete elementary school. Most adults will need smarter help in coping with the world.3) An IQ between 75 and 105. Children in this IQ range are not generally able to complete a college prep course in high school.4) An IQ between 105 and 115. May graduate from college but generally, not with grades that would qualify them for graduate school.5) An IQ above 115. No restrictions.Below are tests which you can try!http://www.iq-testing-online.com/iqintro.htmlhttp://www.highiqsociety.org/iq_tests/test.php?dataSRC=load_flash_test.php&resultsSRC=finish_flash_test.php&closeSRC=check_pass_test.php-queenie =]
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